Cheapest return flights from Boston to San Jose in January from 198€

AirHint found the following cheapest return flights from Boston (BOS) to San Jose (SJO) in January 2026 (see full year).

Return flights

07 Jan - 17 Jan Frontier Airlines
18 Jan - 22 Jan American Airlines
23 Jan - 05 Feb Spirit Airlines
23 Jan - 30 Jan United
23 Jan - 29 Jan Spirit Airlines
23 Jan - 07 Feb Spirit Airlines
29 Jan - 05 Feb Spirit Airlines
26 Jan - 05 Feb Spirit Airlines
12 Jan - 17 Jan Spirit Airlines
26 Jan - 29 Jan Spirit Airlines
23 Jan - 31 Jan Spirit Airlines
29 Jan - 07 Feb Spirit Airlines
26 Jan - 07 Feb Spirit Airlines
23 Jan - 12 Feb Spirit Airlines
23 Jan - 06 Feb Spirit Airlines
12 Jan - 29 Jan Spirit Airlines
22 Jan - 29 Jan Spirit Airlines
29 Jan - 31 Jan Spirit Airlines
29 Jan - 12 Feb Spirit Airlines
26 Jan - 12 Feb Spirit Airlines

Also check the deals for one-way flights from Boston to San Jose in January.

Powered by

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in San Jose

Cheap car rent in San Jose

Feel free to contact us with any feedback or request another flight research.